A. Lange & Söhne is a watch brand with a very interesting and complicated history in their watchmaking business. This is best exemplified in their fourth edition of the Lange 1 “25th Anniversary” which could be one of the most complex swiss watches manufactured by the luxury brand.

Lange 1’s history is also an interesting one. After a long hiatus from A. Lange & Söhne which took place between World War II and the reunification of Germany, this was their first model that marked their return to the watchmaking business in 1994. At the time the watch was a marking new starting point for the company as well as the accomplishment of a dream for Walter Lange, grandson of company founder Ferdinand Adolph Lange who had always wanted to create something he envisioned as the perfect watch.

This year, being the 25th anniversary of that special occasion of A. Lange & Söhne, the company has been launching a new edition of the Lange 1 every month between January and October. Among their special editions, we can count a Lange 1, a Grand Lange 1 Moon Phase and a Little Lange 1. All of them are based on the 25-year-old watch being all made of white gold with a silver dial and blue hands and markers, in limited editions of 25 each.

However, this month there came a special 25th Anniversary edition of the Lange 1 Tourbillon Perpetual Calendar, which generated buzz as being the most complicated watch in the collection until today. All of the elements of this watch are based on Lange 1, including the minimalist dial, the large, double-digit date window, asymmetrical displays, and a uniquely accomplished decorated movement.

Some of the most striking features that make this watch unique are the fact that this edition has a silver dial, a hand-engraved moon phase, and several blue details on the engraved rotor. It also has a balance cock and bridge, which bears the numeral 25, as well as a 21-karat gold logo plate on the platinum rotor which is engraved with the brand’s signature. Like the previously mentioned editions, the Lange 1 Tourbillon Perpetual Calendar “25thAnniversary” will also be made in a series of 25 pieces. There’s a special reason for this number: not only does it mark the 25th anniversary, but it also marks the day of the month during which the first Lange 1 was first introduced to the world.

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Did you like our post about A. Lange & Söhne’s Lange 1 watch that comes out as a celebration of their 25th anniversary? Let us know in the comments!